Scilab 5.5.2
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
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MPI_Recv
Recv data from a node
Calling Sequence
value = MPI_Recv(rank,tag)
Arguments
- rank
The rank. TODO
- tag
The tag. TODO
- res
The value received from MPI_Send.
Description
Receive a variable from a specified node. The value is usually sent by the function MPI_Send.
Technical implementation
For more information on the implementation of Scilab/MPI, please see Technical details about the implementation
Examples
MPI_Init(); rnk = MPI_Comm_rank(); sizeNodes = MPI_Comm_size(); SLV = rnk; // handy shortcuts, master is rank 0 Master = ~ SLV; // slaves are all other tag=0; if Master // The master node for slaveId = 1:sizeNodes-1 // Send data to the slaves value = rand(100,100) + rand(100,100) * %i; MPI_Send(value, slaveId); end for slaveId = 1:sizeNodes-1 valueBack=MPI_Recv(slaveId, tag); // Check that the slaves gaves us what we expected assert_checkequal(valueBack,value + 1); end else // The slaves rankSource=0; // Receive the information from the master value=MPI_Recv(rankSource); // Increment all the values by one value=value+1; // Send back to the master MPI_Send(value,0); end MPI_Finalize();
See Also
- MPI_Send — Send data from a node to an other
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